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Treesum

Replace MS Excel/Project with a Code Editor

Visit treesum.app ↗

Built withAI (tool not stated)
CategoryProductivity
Makermallahan
Launched2026-10-13
SourceHacker News Show HN · 3 points
Link checked2026-11-02

How we know it was built with AI

Quoted from the source post. Category is assigned automatically.

From the maker

# Intro The goal of this software is to make it easy to get the plan that's in your head onto the page. Start with the outline then add details. Then more details. Then numbers: costs, time, quantities. Then organize and categorize with #tags. All the sums, graphs and pivot table functionality happens automatically in the Calcs, Timeline, Stats views. And everything looks nice without you having to format it.

From the website

A free, text-based project planning tool. Create trees, lists, and to-dos with instant calculation rollups, schedules, and plain-text agility without Excel.

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